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13900246272 = 283311182821
BaseRepresentation
bin11001111001000010…
…01110110100000000
31022212201202200012000
430330201032310000
5211431430340042
610215150304000
71001314100223
oct147441166400
938781680160
1013900246272
115993365840
12283b1b8000
131406a534c3
1495c14b5ba
155654cb74c
hex33c84ed00

13900246272 has 144 divisors (see below), whose sum is σ = 44842580160. Its totient is φ = 4212172800.

The previous prime is 13900246267. The next prime is 13900246279. The reversal of 13900246272 is 27264200931.

13900246272 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 0 + 24 + 627 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900246279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15379 + ... + 167442.

Almost surely, 213900246272 is an apocalyptic number.

13900246272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13900246272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22421290080).

13900246272 is an abundant number, since it is smaller than the sum of its proper divisors (30942333888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13900246272 is a wasteful number, since it uses less digits than its factorization.

13900246272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182857 (or 182837 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 13900246272 in words is "thirteen billion, nine hundred million, two hundred forty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 128 132 144 176 192 198 216 256 264 288 297 352 384 396 432 528 576 594 704 768 792 864 1056 1152 1188 1408 1584 1728 2112 2304 2376 2816 3168 3456 4224 4752 6336 6912 8448 9504 12672 19008 25344 38016 76032 182821 365642 548463 731284 1096926 1462568 1645389 2011031 2193852 2925136 3290778 4022062 4387704 4936167 5850272 6033093 6581556 8044124 8775408 9872334 11700544 12066186 13163112 16088248 17550816 18099279 19744668 23401088 24132372 26326224 32176496 35101632 36198558 39489336 46802176 48264744 52652448 54297837 64352992 70203264 72397116 78978672 96529488 105304896 108595674 128705984 140406528 144794232 157957344 193058976 210609792 217191348 257411968 289588464 315914688 386117952 421219584 434382696 514823936 579176928 631829376 772235904 868765392 1158353856 1263658752 1544471808 1737530784 2316707712 3475061568 4633415424 6950123136 13900246272